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- <!DOCTYPE html>
- <html>
- <head>
- <meta charset="UTF-8">
- <title></title>
- </head>
- <body>
- <h3><span id="counter">5</span>秒以后自动跳转到百度</h3>
- <script>
- var span = document.getElementById('counter');
- var num = 5;
- setTimeout(function() {
- num -= 1;
- if (num > 0) {
- span.textContent = num;
- setTimeout(arguments.callee, 1000);
- } else {
- location.href = 'http://www.baidu.com';
- }
- }, 1000);
- </script>
- </body>
- </html>
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